Reduce the indicator arrow size for press-and-hold menus in QToolButtons
Summary:
Changes the drawing of inline indicators with QToolButtons so that it
is drawn as a small arrow in the lower right corner.
Test Plan: Show QToolButton with Menu and PopupDelay enabled
Reviewers: VDG, Breeze, ngraham
Reviewed By: VDG, Breeze, ngraham
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D19890